Exercise treadmill

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Description

FIG. 1 is a perspective view of a exercise treadmill, showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a front elevational view thereof;

FIG. 6 is a rear elevational view thereof; and

FIG. 7 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D232446 August 1974 Townsend
D280002 August 6, 1985 Smith
D289312 April 14, 1987 Trulaske et al.
3703284 November 1972 Hesen
3711812 January 1973 Cherry
4426075 January 17, 1984 Otte
4591147 May 27, 1986 Smith
4616822 October 14, 1986 Trulaske
4635927 January 13, 1987 Shu
4643418 February 17, 1987 Bart
4749181 June 7, 1988 Pittaway et al.
4792134 December 20, 1988 Chen
Other references
  • Marty Liquori, Home Gym Workout, copyright 1986, pp. 140-165 (Bantam Books).
Patent History
Patent number: D302837
Type: Grant
Filed: Apr 11, 1988
Date of Patent: Aug 15, 1989
Assignee: Tunturi, Inc. (Bellevue, WA)
Inventor: Steven T. Sherrard (Bothell, WA)
Primary Examiner: Charles A. Rademaker
Law Firm: Graybeal, Jensen & Puntigam
Application Number: 7/180,265
Classifications
Current U.S. Class: D21/192